Abstract: An electric cleaning sweeper comprises a housing, including a detachable dirt tray placed inside the housing; and at least one openable wall located on the dirt tray wherein the openable wall is responsive to movement of a device located on the handle which can pick up the dirt tray and remove it off the housing to discharge the dust and debris while direct contact of the dirt tray by a human hand is avoided.

Abstract: The present invention features a catalytic material which includes a metal catalyst anchored to a nano-sized crystal containing a metal oxide. Furthermore, the present invention features a method of producing the catalytic material described herein. Finally, the present invention features using the catalytic material for removing contaminants and for getting the desired products.

Abstract: The present invention provides a motorized foot caring and massage device(MFCMD), comprising a container provided in a housing, the container having a bottom portion and used for containing water; an air pump, heating means, a vibration assembly and a motorized driven system being provided under the bottom portion of the container; and a function selection switch provided on the housing, in which an upwardly raised peninsular foot seat is provided at a central portion of the container, a combination of stone massage means and raised nodes is provided at a front end of a top portion of the foot seat, and replaceable rotatable massage attachments are provided at a rear end of the top portion of the foot seat; a double safety system is provided under the bottom portion of the container, including a sealing system and a drainage system, the sealing system is used for maintaining the rotation of the output shaft and sealing under normal condition, the drainage system is used for preventing water contained in the c